Finding the Fourth Proportional to 31,782.72, 43,841.93 and 19,825.29

Step by Step Solution

1. Step 1: Write the proportion equation
   31,782.72 : 43,841.93 = 19,825.29 : x
2. Step 2: Convert to fraction form
   31,782.72/43,841.93 = 19,825.29/x
3. Step 3: Cross multiply
   31,782.72x = 43,841.93 × 19,825.29
4. Step 4: Simplify right side
   31,782.72x = 869,178,877.28
5. Step 5: Solve for x
   x = 869,178,877.28/31,782.72
6. Step 6: Final answer
   x = 27,347.53